British Rail Class 43 (Warship Class)

British Rail Class 43
D848 Sultan
Type and origin
Power typeDiesel-hydraulic
BuilderNorth British Locomotive Co.
Serial number27962–27994
Build date1960–1962
Total produced33
Specifications
Configuration:
​
 • UICB'B'
 • CommonwealthB-B
Gauge4 ft 8 1⁄2 in (1,435 mm) standard gauge
Wheel diameter3 ft 3+1⁄2 in (1.003 m) new
Minimum curve4.5 chains (91 m)
Wheelbasebogie 10 feet 6 inches (3.20 m)
bogie center distance 37 ft 9 in (11.51 m)
total 48 ft 3 in (14.71 m)
Length60 ft 0 in (18.29 m)
Width8 ft 10 in (2.69 m)
Height12 ft 9+1⁄2 in (3.90 m)
Loco weight79.50 long tons (80.78 t; 89.04 short tons)
Fuel capacity800 imp gal (3,600 L; 960 US gal)
Prime moverMAN L12V 18/21, 2 per locomotive
Engine typeV12 four stroke diesel
Cylinders12
Cylinder size180 mm × 210 mm (7.087 in × 8.268 in) (bore x stroke)
TransmissionHydraulic, Voith/NBL LT.306r
MU working◆ White Diamond[1]
Train heatingSteam, 940 imp gal (4,300 L; 1,130 US gal) capacity
Loco brakeVacuum controlled air, hand brake
Train brakesVacuum
Performance figures
Maximum speed80 mph (130 km/h)
Power outputEngines: 1,100 bhp (820 kW) × 2
Tractive effortMaximum: 49,030 lbf (218 kN)[2]
Career
OperatorsBritish Railways
NumbersD833–D865
Nicknames"Warship"
Axle load classRoute availability 7 (RA 6 from 1969)[3]
Retired1969–1971
DispositionAll scrapped
Technical details : B.R.33003/91[4] except where noted

The British Rail Class 43 diesel-hydraulic locomotives were built by the North British Locomotive Company (NBL) from 1960 to 1962.

References

  1. ↑ Ian Allan 2008, p. 121.
  2. ↑ Haresnape 1983, p. 27.
  3. ↑ Strickland 1983, p. 98.
  4. ↑ Preliminary Driving Instructions for Operating N.B.L. Type 4. 2,200 H.P. Diesel Hydraulic Locomotives Nos. D833-D865, British Transport Commission, May 1961


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